Double HandedInternational Certificate2025
HONKB25 141
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles41.6°41.6°39.7°39.3°39.5°39.9°40.3°42.3°47.5°
Beat VMG2.623.463.964.124.184.194.184.033.70
52°4.025.175.765.946.036.076.096.045.83
60°4.245.405.966.146.236.296.336.326.22
75°4.395.566.126.386.536.656.736.816.80
90°4.295.496.136.506.786.997.167.397.52
110°4.285.556.266.636.907.157.408.048.56
120°4.145.436.236.737.177.497.808.428.80
135°3.544.895.906.487.047.688.409.6610.85
150°2.864.105.196.006.557.107.759.5812.57
Run VMG2.493.554.505.275.886.366.858.3010.90
Gybe Angles140.8°140.8°149.8°156.6°165.1°167.5°165.1°149.2°151.2°
APH ToD:619.2CDL: 6.426APH ToT: 0.9689CertNo:140081
BOAT
ClassPLATU 25 ODDesignerFARRBuilderBENETEAUAge date01/1998Series date01/1997Offset filePLATU25.OD.OFFData fileB25141
HULL
Length Overall7.530 mMaximum Beam2.580 mDraft1.592 mDisplacement1,233 kgDLR4.3452IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight200 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail20.6321.16Headsail Luffed13.0313.03Headsail FlyingSymmetric44.6544.65Asymmetric
STORM SAIL AREAS (m²)
Trysail6.01Storm Jib4.24Heavy Weather Jib11.45
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment17.9 kg·mStability Index114.7
COMMENTS
ONEDESIGN CERTIFICATE
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
Double HandedInternational Certificate2025
HONKB25 141
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1375.01041.5908.5873.2862.2859.6860.5892.9973.1
52°896.5696.8624.7605.7597.5593.2590.8596.0617.1
60°849.5667.0604.3586.3577.7572.3568.9569.5579.2
75°820.3647.5588.2563.9551.0541.5534.6528.9529.2
90°838.6655.3587.2553.8530.7514.8503.1487.4478.5
110°840.5649.0574.7542.6521.7503.8486.3447.8420.7
120°869.9663.5578.3535.0502.4480.9461.4427.6409.2
135°1016.4736.5610.5555.9511.1469.0428.5372.9331.7
150°1258.0877.2693.4599.6549.3506.8464.3375.8286.5
Run VMG1448.41012.9800.7683.0612.6565.8525.4433.9330.1
Selected Courses
Windward / Leeward1408.81027.2854.6778.1737.4712.7692.9663.4651.6
All purpose1062.8796.3682.6634.6607.2587.9571.1548.0540.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward758.70.7909
All purpose619.20.9689
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6668
Downwind "popa"0.9063
70% up, 30% down "Ilhabela"0.7242
30% up, 70% down "Ilhabela-inverso"0.8182
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Predominantly Upwind679.60.8829
Predominantly Downwind603.60.9940
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low739.40.8114
Triple Number AP Medium617.80.9712
Triple Number AP High566.61.0589
Triple Number Windward/Leeward Low980.30.6120
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Single Number Predominant Upwind701.30.8555
Single Number Predominant Reaching601.80.9971
Single Number Predominant Downwind625.50.9593
Predominant Upwind - Low870.40.6893
Predominant Upwind - Low/Med716.20.8377
Predominant Upwind - Medium668.00.8982
Predominant Upwind - Med/High643.90.9318
Predominant Upwind - High641.10.9360
Predominant Downwind Low875.60.6853
Predominant Downwind Low/Med674.40.8897
Predominant Downwind Medium589.91.0172
Predominant Downwind Med/High525.11.1426
Predominant Downwind High477.01.2578
Predominant Reaching Low780.90.7683
Predominant Reaching Low/Med632.10.9492
Predominant Reaching Medium574.01.0453
Predominant Reaching Med/High530.91.1301
Predominant Reaching High505.21.1877
SA/DSPL Upwind29.27SA/DSPL Downwind56.74
Scoring OptionTODTOT
5-Band Windward/Leeward Low1080.20.5555
5-Band Windward/Leeward Low/Med835.70.7179
5-Band Windward/Leeward Medium746.10.8042
5-Band Windward/Leeward Med/High695.00.8632
5-Band Windward/Leeward High666.50.9003
Windward/Leeward 60-40 Low1082.50.5543
Windward/Leeward 60-40 Low/Med850.30.7056
Windward/Leeward 60-40 Medium770.30.7789
Windward/Leeward 60-40 Med/High729.30.8228
Windward/Leeward 60-40 High713.40.8410
5-Band AP Low801.90.7483
5-Band AP Low/Med671.30.8938
5-Band AP Medium611.80.9808
5-Band AP Med/High573.11.0469
5-Band AP High550.71.0895
5-Band SF Bay Tour - Low938.80.6391
5-Band SF Bay Tour - Low/Med803.10.7471
5-Band SF Bay Tour - Medium724.80.8278
5-Band SF Bay Tour - Med/High679.40.8832
5-Band SF Bay Tour - High657.00.9132
Chicago-Mac Upwind0.8377
Chicago-Mac All Purpose0.8825
Chicago-Mac Downwind0.9261
Bayview-Mac Cove Island0.6794
Bayview-Mac Shore0.6845
Harvest Moon Regatta527.31.1379
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance669.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating669.70.8960
FinRating, kevyt tuuli1058.50.9447
FinRating, kova tuuli553.00.9041
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8960
Triple Number Coastal/Long Distance Low0.8114
Triple Number Coastal/Long Distance Medium0.9712
Triple Number Coastal/Long Distance High1.0589
Triple Number Windward/Leeward Low0.6377
Triple Number Windward/Leeward Medium0.7952
Triple Number Windward/Leeward High0.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
For information
General Purpose Handicap (GPH)681.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low739.5
Triple Number Coastal/Long Distance Medium617.8
Triple Number Coastal/Long Distance High566.6
Triple Number Windward/Leeward Low940.9
Triple Number Windward/Leeward Medium754.5
Triple Number Windward/Leeward High686.8
Predominantly Upwind679.6
Predominantly Downwind603.6
Predominantly Reaching587.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8114
Triple Number Coastal/Long Distance Medium0.9712
Triple Number Coastal/Long Distance High1.0589
Triple Number Windward/Leeward Low0.6377
Triple Number Windward/Leeward Medium0.7952
Triple Number Windward/Leeward High0.8736
Coastal/Long Distance0.8960
Predominantly Upwind0.8829
Predominantly Downwind0.9940
For information
General Purpose Handicap (GPH)681.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9689
Distanseseilas Trippeltall svak vind0.8114
Distanseseilas Trippeltall mellomvind0.9712
Distanseseilas Trippeltall sterk vind1.0589
Pølsebane Trippeltall svak vind0.6377
Pølsebane Trippeltall mellomvind0.7952
Pølsebane Trippeltall sterk vind0.8736
Motvind Singeltall0.8829
Medvind Singeltall0.9940
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Coastal/Long Distance669.70.8960
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind679.60.8829
Predominantly Downwind603.60.9940
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore655.10.9158
Cape Doctor Coastal542.71.1055
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8114
Triple Number Coastal/Long Distance Medium0.9712
Triple Number Coastal/Long Distance High1.0589
Triple Number Windward/Leeward Low0.6377
Triple Number Windward/Leeward Medium0.7952
Triple Number Windward/Leeward High0.8736
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8114
Triple Number Coastal/Long Distance Medium0.9712
Triple Number Coastal/Long Distance High1.0589
Triple Number Windward/Leeward Low0.6377
Triple Number Windward/Leeward Medium0.7952
Triple Number Windward/Leeward High0.8736
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Predominantly Upwind679.60.8829
Predominantly Downwind603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.70.8960
Triple Number Coastal/Long Distance Low739.50.8114
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High566.61.0589
Triple Number Windward/Leeward Low940.90.6377
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1488.61025.8806.8707.1648.0610.3575.8517.0501.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low739.40.8114
Triple Number AP Medium617.80.9712
Triple Number AP High566.61.0589
Triple Number Windward/Leeward Low980.30.6120
Triple Number Windward/Leeward Medium754.50.7952
Triple Number Windward/Leeward High686.80.8736
Single Number Predominant Upwind701.30.8555
Single Number Predominant Reaching601.80.9971
Single Number Predominant Downwind625.50.9593
Predominant Upwind - Low870.40.6893
Predominant Upwind - Low/Med716.20.8377
Predominant Upwind - Medium668.00.8982
Predominant Upwind - Med/High643.90.9318
Predominant Upwind - High641.10.9360
Predominant Downwind Low875.60.6853
Predominant Downwind Low/Med674.40.8897
Predominant Downwind Medium589.91.0172
Predominant Downwind Med/High525.11.1426
Predominant Downwind High477.01.2578
Predominant Reaching Low780.90.7683
Predominant Reaching Low/Med632.10.9492
Predominant Reaching Medium574.01.0453
Predominant Reaching Med/High530.91.1301
Predominant Reaching High505.21.1877
SA/DSPL Upwind29.27SA/DSPL Downwind56.74
Scoring OptionTODTOT
5-Band Windward/Leeward Low1080.20.5555
5-Band Windward/Leeward Low/Med835.70.7179
5-Band Windward/Leeward Medium746.10.8042
5-Band Windward/Leeward Med/High695.00.8632
5-Band Windward/Leeward High666.50.9003
Windward/Leeward 60-40 Low1082.50.5543
Windward/Leeward 60-40 Low/Med850.30.7056
Windward/Leeward 60-40 Medium770.30.7789
Windward/Leeward 60-40 Med/High729.30.8228
Windward/Leeward 60-40 High713.40.8410
5-Band AP Low801.90.7483
5-Band AP Low/Med671.30.8938
5-Band AP Medium611.80.9808
5-Band AP Med/High573.11.0469
5-Band AP High550.71.0895
5-Band SF Bay Tour - Low938.80.6391
5-Band SF Bay Tour - Low/Med803.10.7471
5-Band SF Bay Tour - Medium724.80.8278
5-Band SF Bay Tour - Med/High679.40.8832
5-Band SF Bay Tour - High657.00.9132
Chicago-Mac Upwind0.8377
Chicago-Mac All Purpose0.8825
Chicago-Mac Downwind0.9261
Bayview-Mac Cove Island0.6794
Bayview-Mac Shore0.6845
Harvest Moon Regatta527.31.1379
Double HandedInternational Certificate2025
HONKB25 141
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPLATU 25 ODMeasurement14/05/2001HIN143Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.530Max. Beam2.580Draft1.592Displacement1,233Wetted area10.46IMS L6.853LSM06.570Acc. length7.530Sink (kg/mm) 7.63
VCGD-0.055VCGM-0.055RM Rated (kg·m) 17.9Limit of positive stability(°) 122.6Stability Index114.7Default crew weight170Declared crew weight200
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P9.405IG9.171ISP9.681MDT10.079MDL10.120MDT20.062MDL20.078TL2.340MW0.121GO0.131
E3.650J2.620BAS1.181FSD0.000SFJ0.000SPL3.380WPLTPSBD0.120MWT35.50MCG4.200
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date27/10/2013
SFFP0.120FFM0.907FF0.907LCFcl4.177SG1.0250
SAFP7.315FAM0.689FA0.689LCFsh4.356HBI0.831
W14.0W28.0W312.0W416.0
PD176.0PD2156.0PD3231.0PD4311.0
WD7.900PLM2510.00GSA19.6RSA6079.4RM17.7
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedInternational Certificate2025
HONKB25 141
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.150.771.382.373.1220.63* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.070.410.731.432.092.739.25YesNo 13.03* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC9.509.509.505.645.6444.65* Copied from legacy *